#CB593F
Closest named color: Terra Cotta (#C9643B). oklch(60.3% 0.151 34.3), rgb(203, 89, 63).
Aa
Black text reads best on this color (5.04:1).
About this color
#CB593F is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.151 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Terra Cotta (#C9643B), ΔE 0.026 away. Black text reads best on it, at 5.04:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Terra Cotta (#C9643B) |
| Black text | 5.04:1 |
| White text | 4.16:1 |
Values
| HEX | #CB593F |
| RGB | rgb(203, 89, 63) |
| HSL | hsl(11, 57%, 52%) |
| OKLCH | oklch(60.3% 0.151 34.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #CB593F | 4.16:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #CB593F | 5.04:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #CB593F text on white | 4.16:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #CB593F text on black | 5.04:1 | AA | Lc -33.6 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E1
oklch(93.6% 0.022 31.8)
-
Step 200
200
#F3D0C7
oklch(88.5% 0.041 34.8)
-
Step 300
300
#ECB0A1
oklch(80.9% 0.074 34.5)
-
Step 400
400
#E0846E
oklch(70.7% 0.118 34.3)
-
Step 500
500 (this color)
#CB593F
oklch(60.3% 0.151 34.3)
-
Step 600
600
#C04428
oklch(55.6% 0.165 34.2)
-
Step 700
700
#A5351B
oklch(49.1% 0.152 34.3)
-
Step 800
800
#862D19
oklch(42.7% 0.126 34.1)
-
Step 900
900
#6C2A1B
oklch(37.7% 0.098 34.2)
-
Step 950
950
#401910
oklch(27% 0.063 34.3)
#CB593F with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #776D3C | 0.153 |
| Deuteranopia (no green cones) | #94863C | 0.140 |
| Tritanopia (no blue cones) | #DE4153 | 0.062 |
| Achromatopsia (no color) | #7C7C7C | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB593F
#CB593F
oklch(60.3% 0.151 34.3)
- #0091A8
#0091A8
oklch(60.4% 0.106 214.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CB593F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Terra Cotta #C9643B ΔE 0.026
- Dark Coral #CF524E ΔE 0.027
- Terracotta #CA6641 ΔE 0.028
- Terracota #CB6843 ΔE 0.032
- Pale Red #D9544D ΔE 0.033
- Indian Red #CD5C5C ΔE 0.034
- Rusty Orange #CD5909 ΔE 0.036
- Rust Orange #C45508 ΔE 0.040
Use #CB593F in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.